211220110000011 has 8 divisors (see below), whose sum is σ = 321859215238144. Its totient is φ = 120697205714280.

The previous prime is 211220110000001. The next prime is 211220110000019. The reversal of 211220110000011 is 110000011022112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211220110000011 - 2⁵ = 211220109999979 is a prime.

It is a super-2 number, since 2×211220110000011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211220110000019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5029050238075 + ... + 5029050238116.

It is an arithmetic number, because the mean of its divisors is an integer number (40232401904768).

Almost surely, 2^{211220110000011} is an apocalyptic number.

211220110000011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211220110000011 is a deficient number, since it is larger than the sum of its proper divisors (110639105238133).

211220110000011 is a wasteful number, since it uses less digits than its factorization.

211220110000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058100476201.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211220110000011 its reverse (110000011022112), we get a palindrome (321220121022123).

The spelling of 211220110000011 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred ten million, eleven", and thus it is an aban number.